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Molybdenum disilicide (MoSi 2 ) with or without La 2 O 3 particles were synthesized by mechanical alloying (MA) and HP techniques. The fracture toughness at room temperature was measured by Anstis' mode and the responded microstructures were analyzed by using SEM and X-ray. The results show that the addition of La 2 O 3 could obviously toughen the matrix. When...
MoSi 2 alloyed with aluminum element has been successfully synthesized by mechanical alloying through implementation of a subsequent heat-treating technique. Hardness and fracture toughness values of the hot-pressing disks at room temperature were measured and their responded microstructures were analyzed by using SEM and X-ray. No Al-Mo interphase and Al 2 O 3 phase appear...
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